This week on gdgt: PlayStation 4, MacBook Air, Google Now

Each week, our friends at gdgt go through the latest gadgets and score them to help you decide which ones to buy. Here are some of their most recent picks. Want more? Visit gdgt anytime to catch up on the latest, and subscribe to gdgt's newsletter to get a weekly roundup in your inbox.

PlayStation 4

After a less-than-stellar debut a few months ago, Sony came out swinging at this year's E3. Not only did we finally get to see the new PlayStation 4, but Sony also took some shots at Microsoft about a few of its policies and limitations of the Xbox One. With a lower price and fewer restrictions on your gaming experience than Microsoft's next console, is the PS4 the one to beat?Buy from $399Read reviews and more

Apple MacBook Air 13-inch (mid 2013)

Apple's updated MacBook Air may not have the Retina display of the MacBook Pro, but it's faster and cheaper than last year's model, and has the best battery life of any laptop in its class. Despite the lower-res display, its price, performance and features make it one of our favorites, and it remains a gdgt Must-have laptop.Read reviews and more

Is Google Now smarter than Siri?

In this week's featured gdgt discussion, user TgD talks about how Google Now warned him of a tornado in his area. Do any other mobile platforms offer this level of severe weather alerts?

Pentax Optio WG-3

The Pentax Optio WG-3 is okay for people needing a camera for their latest rough-and-tumble adventure, but isn't much good beyond that thanks in part to its sub-par image quality and less-than-ideal shooting performance.Buy from $244Read reviews and more